Answers

Add 70/18 and 45/72

1^st number: 3 16/18, 2^nd number: 45/72

70/18 + 45/72 is 325/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   70/18 = 70 × 4/18 × 4 = 280/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   45/72 = 45 × 1/72 × 1 = 45/72
4. Add the two like fractions:
   280/72 + 45/72 = 280 + 45/72 = 325/72
5. So, 70/18 + 45/72 = 325/72
   In mixed form: 437/72

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